[RE-wrenches] Wire management devices
Christopher Warfel
cwarfel at entech-engineering.com
Mon Oct 13 10:34:25 PDT 2014
I am well aware of all the possibilities of danger in many aspects of
life. This is not a main one in my opinion, and given that there are no
good solutions indicates to me that it is mostly an unsolvable problem
unless you wish to be impractical. All I asked for were products that
could provide a solution. . I have inspected in several states with
solar programs that will not enforce securing electrical enclosures in
living spaces that have access to 240 v. I even seen this situation in a
children's play room.
I think that is more than a little more serious issue.
On 10/13/2014 11:27 AM, William Miller wrote:
> Christopher:
>
> I believe strongly that the code requirement to protect PV wires from
> unauthorized personnel is justified. Ground mount arrays are essentially
> jungle gyms and could attract children to climb. If a 50 pound child
> inadvertently swings on a PV cable across a sharp metal edge the insulation
> could easily be compromised. The current limited nature of PV means the
> current will sink through the short until the short is opened, leaving up to
> 600 volts at fatal amperage exposed to the touch. Inadequate ground fault
> interruption technology does little to prevent the problem.
>
> You cannot legally install a convenience receptacle at any height above
> ground with the individual conductors exposed, so why should one be allowed
> to install PV with individual conductors readily accessible?
>
> I grant you that shielding PV wiring on a ground mount is a difficult
> process. It is very unfortunate that the industry has been allowed to
> evolve without developing decent wire management hardware in the process.
>
> If you are not aware of the work we have done on wire management solutions,
> you might visit our website where we share all of our ideas. We are giving
> away trade secrets, but I feel a moral obligation to help everyone in the
> industry deliver a safe product.
>
> Most sincerely,
>
> William Miller
>
>
>
> Lic 773985
> millersolar.com
> 805-438-5600
>
>
> -----Original Message-----
> From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On
> Behalf Of Christopher Warfel
> Sent: Monday, October 13, 2014 5:56 AM
> To: re-wrenches at lists.re-wrenches.org
> Subject: Re: [RE-wrenches] Wire management devices
>
> Thanks all, I don't see a good solution to what I think is a non-existent
> problem. I believe that anyone who wants to pull apart dc subarray
> conductors is attempting to vandalize. It's not easy to do, and you really
> have to be wondering why someone would even try. Why don't we put all
> electrical outlets 8 feet off the ground?
> On 10/13/2014 2:27 AM, William Miller wrote:
>> Friends:
>>
>> I looked at the Solarmount web site and I don't think the product
>> complies-- the wire management leaves leads exposed. It's a nice start,
> however.
>> I was asked by Homepower to do an article on wire management. I was
>> flattered they'd ask, but I had to decline because there is so few
>> options off-the-shelf that I can recommend.
>>
>> William
>>
>> Lic 773985
>> millersolar.com
>> 805-438-5600
>>
>>
>
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--
Christopher Warfel, President
ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
401-466-8978
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